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MCP servers tagged open-protocol
9 live MCP servers tagged "open-protocol", ranked by trust score. Tags come from package metadata and repository topics, so this list covers servers across every category that work with open-protocol.
server
Open protocol for delivering external events to dormant AI agent sessions and waking Codex, Claude Code, and other agent runtimes.
A2CN
Open protocol for agent-to-agent B2B commercial negotiation. Specification, reference implementation, and SDK.
Trail Spec
TRAIL — Tracking Records Across Isolated Logs. An open protocol for cross-MCP content tracking and deduplication.
Open Toolset Protocol
Open Agent Toolset Protocol (OATP) - universal spec for AI agent tool discipline, structural instrumentation, and deterministic execution. Vendor-agnostic interop layer for availa…
Entity Discovery Protocol
Entity Discovery Protocol - A standardized protocol for AI agents to discover and verify digital entity information
Command Scope Contract
Bounded shell and CLI execution for AI agents: structured contracts, policy-gated execution, hardened Linux runtime enforcement, and signed receipts.
Dnacore Check
Check your site's AI-readiness: validates llms.txt, agents.json, robots.txt and scores AI discoverability.
Syncropel
An open coordination protocol for human + AI teams: immutable records, evidence-based trust, and workflows that learn and replay.
Protocol Commerce
Open protocols for agent-native commerce — AdCP spec, TypeScript SDK, and WebMCP browser integration